| biodiversity ˌbaɪəʊdaɪˈvɜːsəti | biodiversidade | Tropical forests are rich in biodiversity. |
| renewable energy rɪˈnjuːəbl ˈenədʒi | energia renovável | Solar power is a key renewable energy. |
| deforestation diːˌfɒrɪˈsteɪʃn | desmatamento / desflorestação | Deforestation threatens wildlife habitats. |
| carbon footprint ˈkɑːbən ˈfʊtprɪnt | pegada de carbono | Flying increases your carbon footprint. |
| sustainability səˌsteɪnəˈbɪləti | sustentabilidade | Companies focus on long-term sustainability. |
| emissions ɪˈmɪʃnz | emissões (de gases) | Car emissions pollute the city air. |
| conservation ˌkɒnsəˈveɪʃn | conservação ambiental | Forest conservation protects biodiversity. |
| ecosystem ˈiːkəʊsɪstəm | ecossistema | Coral reefs support a delicate ecosystem. |
| drought draʊt | seca prolongada | The severe drought ruined the crops. |
| depletion dɪˈpliːʃn | esgotamento / redução | Resource depletion is a major concern. |